Boost C++ Libraries

libs/test/doc/examples/boost_test_container_lex.run-fail.cpp

//  (C) Copyright Raffi Enficiaud 2014.
//  Distributed under the Boost Software License, Version 1.0.
//  (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/test for the library home page.

//[example_code
#define BOOST_TEST_MODULE boost_test_container_lex
#include <boost/test/included/unit_test.hpp>
#include <vector>

namespace tt = boost::test_tools;

BOOST_AUTO_TEST_CASE( test_collections_vectors_lex )
{
  std::vector<int> a{1,2,3}, b{1,2,2}, c{1,2,3,4};

  BOOST_TEST(a < a, tt::lexicographic());
  BOOST_TEST(a < b, tt::lexicographic());
  BOOST_TEST(a < c, tt::lexicographic());
  BOOST_TEST(a >= c, tt::lexicographic());

  //BOOST_TEST(a == c, tt::lexicographic()); // does not compile
  //BOOST_TEST(a != c, tt::lexicographic()); // does not compile
}

BOOST_AUTO_TEST_CASE( test_compare_c_arrays_lexicographic )
{
  int a[] = {1, 2, 3};
  int b[] = {1, 5, 3};
  std::vector<long> c{1, 5, 3};
  // BOOST_TEST(a == b, boost::test_tools::lexicographic()); // does not compile
  // BOOST_TEST(a != b, boost::test_tools::lexicographic()); // does not compile
  BOOST_TEST(a < b, boost::test_tools::lexicographic());
  BOOST_TEST(b < c, boost::test_tools::lexicographic());
  BOOST_TEST(c < a, boost::test_tools::lexicographic());
}
//]